chore: import upstream snapshot with attribution

test/cpp/auto_parallel/expand_as_spmd_rule_test.cc

@@ -0,0 +1,116 @@
+/* Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#include "test/cpp/auto_parallel/spmd_rule_test_util.h"
+
+namespace paddle {
+namespace distributed {
+namespace auto_parallel {
+
+TEST(ExpandAsInferSpmd, Ctor) {
+  // Sharding along axes besides softmax axis.
+  std::vector<int64_t> x_shape = {1, 48};
+  std::vector<int64_t> y_shape = {2, 32, 48};
+
+  std::vector<int64_t> mesh_shape = {2, 3};
+  std::vector<int64_t> process_ids = {0, 1, 2, 3, 4, 5};
+  std::vector<std::string> dim_names = {"x", "y"};
+  ProcessMesh process_mesh(mesh_shape, process_ids, dim_names);
+
+  TensorDistAttr x_dist_attr = TensorDistAttr();
+  x_dist_attr.set_process_mesh(process_mesh);
+  x_dist_attr.set_dims_mapping(std::vector<int64_t>({-1, -1}));
+  x_dist_attr.set_dynamic_dims(std::vector<bool>({false, false}));
+
+  TensorDistAttr y_dist_attr = TensorDistAttr();
+  y_dist_attr.set_process_mesh(process_mesh);
+  y_dist_attr.set_dims_mapping(std::vector<int64_t>({0, 1, -1}));
+  y_dist_attr.set_dynamic_dims(std::vector<bool>({false, false, false}));
+
+  phi::distributed::DistMetaTensor x(phi::make_ddim(x_shape), x_dist_attr);
+  phi::distributed::DistMetaTensor y(phi::make_ddim(y_shape), y_dist_attr);
+
+  // test info forward
+  auto spmdinfo = ExpandAsInferSpmd(x, y, y_shape);
+  EXPECT_EQ(spmdinfo.first.size(), 2UL);
+  EXPECT_EQ(spmdinfo.second.size(), 1UL);
+
+  EXPECT_EQ(get_dims_mapping(spmdinfo.first[0]),
+            std::vector<int64_t>({-1, -1}));
+  EXPECT_EQ(get_dims_mapping(spmdinfo.first[1]),
+            std::vector<int64_t>({0, 1, -1}));
+  EXPECT_EQ(get_dims_mapping(spmdinfo.second[0]),
+            std::vector<int64_t>({0, 1, -1}));
+  EXPECT_DOUBLE_EQ(
+      PADDLE_GET_CONST(TensorDistAttr, spmdinfo.second[0]).is_partial(), false);
+  VLOG(4) << "Test ExpandAsInferSpmd" << std::endl << std::endl << std::endl;
+
+  // test info forward without y
+  // x [1, 48], target [2, 32, 48]: [-1, -1] -> [-1, -1, -1]
+  spmdinfo = ExpandAsInferSpmd(x, phi::distributed::DistMetaTensor(), y_shape);
+  EXPECT_EQ(spmdinfo.first.size(), 2UL);
+  EXPECT_EQ(spmdinfo.second.size(), 1UL);
+
+  EXPECT_EQ(get_dims_mapping(spmdinfo.first[0]),
+            std::vector<int64_t>({-1, -1}));
+  const phi::distributed::ArgDistAttr& attr = spmdinfo.first[1];
+  if (paddle::holds_alternative<phi::distributed::TensorDistAttr>(attr)) {
+    EXPECT_EQ(paddle::get<phi::distributed::TensorDistAttr>(attr),
+              phi::distributed::TensorDistAttr());
+  } else {
+    FAIL() << "forward_info.first[1] is not TensorDistAttr";
+  }
+  EXPECT_EQ(get_dims_mapping(spmdinfo.second[0]),
+            std::vector<int64_t>({-1, -1, -1}));
+  EXPECT_DOUBLE_EQ(
+      PADDLE_GET_CONST(TensorDistAttr, spmdinfo.second[0]).is_partial(), false);
+  VLOG(4) << "Test ExpandAsInferSpmd" << std::endl << std::endl << std::endl;
+
+  // test info reverse
+  spmdinfo = ExpandAsInferSpmdReverse(x, y, y, y_shape);
+  EXPECT_EQ(spmdinfo.first.size(), 2UL);
+  EXPECT_EQ(spmdinfo.second.size(), 1UL);
+
+  EXPECT_EQ(get_dims_mapping(spmdinfo.first[0]),
+            std::vector<int64_t>({-1, -1}));
+  EXPECT_EQ(get_dims_mapping(spmdinfo.first[1]),
+            std::vector<int64_t>({0, 1, -1}));
+  EXPECT_EQ(get_dims_mapping(spmdinfo.second[0]),
+            std::vector<int64_t>({0, 1, -1}));
+  EXPECT_DOUBLE_EQ(
+      PADDLE_GET_CONST(TensorDistAttr, spmdinfo.second[0]).is_partial(), false);
+  VLOG(4) << "Test ExpandAsInferSpmdReverse" << std::endl
+          << std::endl
+          << std::endl;
+
+  // test info grad
+  spmdinfo = ExpandAsGradInferSpmd(x, y, y_shape);
+  EXPECT_EQ(spmdinfo.first.size(), 2UL);
+  EXPECT_EQ(spmdinfo.second.size(), 1UL);
+
+  EXPECT_EQ(get_dims_mapping(spmdinfo.first[0]),
+            std::vector<int64_t>({-1, -1}));
+  EXPECT_EQ(get_dims_mapping(spmdinfo.first[1]),
+            std::vector<int64_t>({0, 1, -1}));
+  EXPECT_EQ(get_dims_mapping(spmdinfo.second[0]),
+            std::vector<int64_t>({-1, -1}));
+  check_partial_dims(spmdinfo.second[0], {0, 1});
+  VLOG(4) << "Test ExpandAsGradInferSpmd" << std::endl
+          << std::endl
+          << std::endl;
+}
+
+}  // namespace auto_parallel
+}  // namespace distributed
+}  // namespace paddle